Biology
Cell biology, genetics, ecology, and life science fundamentals.
-
match each structure to the appropriate macromolecule.
1. Protein 2. Carbohydrate 3. Nucleic acid
-
many different types of mutations can occur within the body. an individ…
A. silent
-
question 4 of 10 which relationship is an example of competition? a. mi…
B. Lions often kill each other's young because they consider them threats.
-
which carries the code for protein synthesis from the cell nucleus to t…
D. mRNA
-
what purpose does the peptide bond serve in protein synthesis? it conne…
It connects amino acids.
-
question 3 of 10 scientists study a marine rock wall. mussels growing o…
, sea urchin density decreases over time. ## Step3: Rule out Option A There is no clear indication of one population being more "successful" in competing for space in the given da…
-
which of the following difference between dna and rna allows them to pe…
C. DNA contains thymine, while RNA contains uracil.
-
question 2 of 10 the graphs represent the growth of two populations of …
A. Habitat B contains more resources for bullfrogs.
-
unit 2 exam 2025-26 if carbon dioxide is completely removed from a plan…
No sugars will be produced.
-
missense, nonsense, and silent mutations are examples of which type of …
A. substitution
-
label the different parts of the nucleotide below.
Top box: Phosphate Middle - right box: Nitrogen Base Bottom box: Sugar
-
question 2 of 10 the graphs represent the growth of two populations of …
A. Habitat B contains more resources for bullfrogs.
-
question 1 of 10 which phrase describes a density - independent limitin…
C. A volcanic eruption wiping out a grassland
-
unit 2 exam 2025-26 what are the products of the light - dependent reac…
oxygen, NADPH, ATP
-
a mutation causes a sequence of dna that has the nucleotides ttg to be …
A. missense
-
16. students investigated photosynthesis in plants. they modeled the re…
The atoms in the reactants are rearranged into new molecules, none are lost or created.
-
question 1 (1 point) all of the following factors can affect bac except…
Question 1: c. culture Question 2: All of the above (a. sleeplessness, slow breathing, and lower body temperature; b. memory loss and blacking out; c. impaired movement and balanc…
-
in addition to carbon, which elements are found in all biological macro…
D. hydrogen and oxygen
-
the term fiscal period means ____________. the period in which the busi…
the period in which the business summarizes and reports its financial information
-
unit 2 exam 2025-26 which statement is true of meiosis? dna is duplicat…
Meiosis results in 4 haploid cells
-
which best describes a codon? a cell structure that gives the master in…
the sequence of three bases that codes for a specific amino acid
-
question 10 of 10 the image shows a food web. which organism is only a …
A. Caterpillar
-
question 9 of 10 what general rule describes what happens to the energy…
D. Only about 10% of all the energy in a trophic level gets transferred to the next level.
-
nucleic acids are responsible for which of the following? storing energ…
Storing information that cells use
-
16. students investigated photosynthesis in plants. they modeled the re…
The atoms in the reactants are rearranged into new molecules, but none are lost or created.
-
question 8 of 10 which member of an ecosystem is involved in breaking d…
A. Decomposer
-
unit 2 exam 2025-26 krebs cycle : carbon dioxide :: glycolysis : glucos…
D. Electron Transport Chain: ATP
-
the image shows an energy pyramid. only a portion of the energy in each…
D. Plants have access to only the energy they capture from sunlight
-
unit 2 exam 2025-26 during normal mitotic cell division, a parent cell …
A. 20 chromosomes
-
question 6 of 10 which statement describes where many autotrophs get th…
C. They obtain carbon from the air, and they take up other elements and water from the soil.
-
proteins perform which of the following roles in a cell? (select all th…
Enzymes, Hormones, Cell Membrane, Antibodies, Structure
-
question 5 of 10 which statement describes how matter moves through an …
B. When a consumer eats another organism, matter is transferred from one trophic level to the next.
-
question 4 of 10 from which trophic level does a primary consumer direc…
A. First trophic level
-
23. number and describe the six steps of enzyme action shown on the fig…
23. General steps: 1) Substrate approaches enzyme. 2) Substrate binds to active - site. 3) Enzyme - substrate complex forms. 4) Reaction occurs. 5) Products are released. 6) Enzym…
-
question 3 of 10 your friend claims that a pyramid of biomass may not h…
A. A single large producer at the first trophic level would be shown as a large measure in the pyramid of biomass but a small measure in the pyramid of numbers.
-
question 2 of 10 an energy pyramid for a community is shown. a scientis…
primary consumers in number, making the pyramid of numbers a different shape from the energy pyramid where producers have the most energy. ## Step3: Analyze option B This only sta…
-
which of the following are functions of lipids? choose three correct an…
- forming waxy leaf coverings - storing energy in fat cells - forming cell membranes
-
unit 2 exam 2025-26 which phases of the cycle shown above represent int…
phases G1, S, and G2
-
which accurately describes the relationship between cancer risk and exp…
Cancer risk increases when a person is exposed to mutagens because the risk of DNA mutations increases as well.
-
this cartoon depicts president woodrow wilson calling on congress to — …
B. issue a declaration of war against Germany
-
question 1 of 10 the image shows a food web. which two organisms are pr…
A. Carrot, C. Grass
-
unit 2 exam 2025-26 the cells labeled 4 in the illustration above are c…
B. Haploid gametes
-
butter and olive oil are examples of lipids. true false
True
-
question 25 of 25 the illustration shows a model of a chloroplast. whic…
B. 2
-
the diagram summarizes the steps in one round of the krebs cycle. which…
A. ADP + P → ATP
-
breads and pasta are an example of lipids. o true o false
False
-
beavers are considered keystone species because they: eat fish in ponds…
1. Build dams that create wetlands and new habitats 2. Their impact is greater than their abundance suggests
-
which statements describe the characteristics of an individual protein?…
It is specific to one biochemical reaction. It increases the rate of a biochemical reaction.
-
question 23 of 25 this diagram is a model that summarizes the process o…
C. The symbol for sugars
-
which of the following are sources of carbohydrates? ○ meat, eggs, dair…
C. Bread, pasta, potato
-
sea otters are considered a keystone species because they: eat kelp, ke…
1. Eat sea urchins, preventing destruction of kelp forests 2. The entire ecosystem structure could collapse 3. Predators, prey, or ecosystem engineers
-
unit 2 exam 2025 - 26 cellular respiration occurs in heterotrophs only …
both autotrophs and heterotrophs
-
16. which of the following is not a function of the operating system? m…
16. Providing Internet access 17. True 18. Stand - alone
-
unit 2 exam 2025 - 20 when glycolysis occurs a molecule of glucose is f…
2 net of ATP molecules are formed
-
which of the following is an example of a keystone species? gray wolf i…
1. Gray wolf in Yellowstone National Park 2. Plant biodiversity decreased because elk overgrazed 3. Prey populations increase when predators are removed
-
unit 2 exam 2025 - 26 the goal of the electron transport chain is to cr…
Create ATP and water
-
record wildyl@fcrsd.org as the email to be included with my response wh…
What is a keystone species? B. A species that has a disproportionately large effect on its ecosystem Why are keystone species important in ecosystems? C. They maintain balance and…
-
photo 51 is a picture of the structure of dna that was used to create a…
C. Rosalind Franklin
-
question 22 of 25 carbon, hydrogen, and oxygen atoms can combine to for…
C. The monosaccharides are monomers, and the large carbohydrate is a macromolecule.
-
one excellent way to personalize a call is to use the customers name. b…
1. GARY 2. Charles 3. Terris 4. Carlos 5. Stanley 6. Everett 7. Wayne 8. Marvin 9. Howard 10. Walter 11. Silas 12. Cordy 13. (No answer provided in the original for this one) 14. …
-
question 21 of 25 which label points to the cell organelle in which cel…
C. 3
-
question 20 of 25 where do land plants get the water that they use in p…
D. They absorb it from the soil through their roots.
-
freds family wants to switch cell phone plans. hot spot mobile is offer…
$22.45$
-
match the function(s) to the correct macromolecule type carbohydrates l…
Carbohydrates: Short - term Energy Storage Lipids: Long Term Energy Storage, Insulation, Cell Membranes Proteins: Builds Muscle, Antibodies, Enzymes Nucleic Acids: Codes for trait…
-
question 19 of 25 which item makes the sequence complete? organism - po…
C. Ecosystem
-
multiple - choice question a secondary consumer is a autotroph heterotr…
B. Heterotroph
-
a point mutation changes the dna sequence cga to cgt, but the same prot…
C. silent
-
question 18 of 25 which two sets of chemical reactions are anaerobic pr…
B. Glycolysis, C. Fermentation
-
which phrase accurately describes the frog in this food chain? primary …
Secondary consumer
-
which structures shown in figure 8 - 1 make up an atp molecule? figure …
A. A, B, and C
-
question 17 of 25 how does an enzyme catalyze a chemical reaction? a. i…
B. It reduces the amount of energy needed for the reaction to begin.
-
based on scientific research, which statement best describes mutations?…
Mutations are rare occurrences.
-
multiple - choice question what kind of organism needs to eat other org…
A. Consumer
-
question 16 of 25. which sentence best describes an oak tree as a livin…
A. An oak tree has a trunk, branches, and leaves.
-
match the monomer (building block) to the matching polymer (biomolecule…
Amino acids - protein Monosaccharides - carbohydrate Nucleotide - Nucleic Acids Glycerol + fatty acids - Lipids
-
multiple - choice question what kind of organism makes its own food? se…
C. Autotroph
-
question 5 which of the following events served as an inspiration for g…
Question 5: The French Revolution In both the South and North, what was the main way both free and enslaved African Americans were denied their rights?: Laws
-
many different types of mutations can occur within the body. tay - sach…
D. deletion
-
question 15 of 25 which two processes involved in a biogeochemical cycl…
A. Photosynthesis, C. Combustion
-
ji wants to write an example of a frameshift mutation using the followi…
THC ATS AWT HER AT.
-
chapter 8: an introduction to metabolism use figure 8.16, shown below, …
Enzyme: A biological catalyst, usually a protein, that speeds up chemical reactions. Substrate: The molecule(s) an enzyme acts upon. Active site: The region on the enzyme where th…
-
question 14 of 25 review the results of the following experiment. which…
C. The enzyme changed shape because of the high temperature.
-
question 13 of 25 which item represents the highest level of biological…
B. Nervous system
-
which type of mutation occurs only in gametes? germline mutation somati…
A. germline mutation
-
the following question has two parts. answer part a first, and then par…
Part A: D. “I was only thirteen at the time. I realized that my dad was doing a good thing, but he was gone so much. I wanted him to spend more time at home and less time away hel…
-
question 12 of 25 carbon atoms form a monosaccharide by bonding to atom…
B. Hydrogen and oxygen
-
which type of mutation occurs only in reproductive cells? somatic mutat…
B. germline mutation
-
the dna sequence reads acgttcatt before a mutation occurs. after the mu…
substitution
-
which is a point mutation and not a frameshift mutation? mutagen insert…
D. silent
-
the reason for the result of placing potato slice in dilute tap water. …
# Explicación: ## Paso 1: Identificar la variable independiente La variable independiente es la que el investigador controla. En este caso, es la concentración de la solución (hip…
-
question 25 2 pts identify the virus that can complicate pregnancy, cau…
C. Rubella
-
lactic acid fermentation occurs in ○ bread dough ○ any environment cont…
C. Muscle cells
-
what is the enzyme that is present at the end of the electron transport…
C. ATP - Synthase
-
question 23 this is the basic unit of heredity, it will carry all the c…
gene
-
which statement is scientifically based? mutations rarely occur. all mu…
Mutations rarely occur.
-
question: 20 why were spanish explorer hernando de soto and his men abl…
C. The Spaniards had far superior weapons and armor.
-
which best describes genetic mutations? some inherited genetic mutation…
Some inherited genetic mutations can be good for the offspring.
-
question 10 of 25 this diagram orders biological systems from least com…
A. Ecosystem and biome only
-
sample responses: rotation is the spin of a body on its axis. revolutio…
Rotation is the movement of a body on its axis. Revolution is movement of one body around another. Earth rotates on its axis and revolves around the Sun. The moon rotates on its a…
-
8. the chemical equation for photosynthesis is shown below. 6co₂ + 6h₂o…
Oxygen